p{
	margin: 0;
}
button{
	margin: 0;
	border: 0;
}
div.content{
	position: absolute;
	left: 50%;
	top: 50%;
	margin-left: -200px;
	margin-top:-200px;		 
	width: 400px;
	height: 400px;
	border: 1px solid gray;
}
div.display{
	width: 100%;
	height: 100px;
	border:1px solid gray;
}
div.panel{
	font-size: 0;
}
div.line{
	margin-top: 8px;
}
div.line1{
	padding-left: 196px;
}
div.line button{
	font-size: 16px;
	font-family: "Consolas";
	display: inline-block;
	margin-left: 8px;
	width: 90px;
	height: 50px;
	background-color: #DDD8D8;
	text-align: center;
	line-height: 50px;
}
div.line p:hover{
	cursor: pointer;
}
input.data{
	font-family:"Microsoft YaHei";
	font-size: 30px;
	margin-top: 58px;
	text-align: right;
	width: 399px;
	border-style: none;
}
